"But—but how are we to get back?"
Bert had not thought of that, and at the question his face fell a little.
"Oh, we'll get back somehow," he said evasively.
"You had better turn around now."
"Let us go just a little bit further, Nan," he pleaded.
When at last he started to turn back he found himself unable to do so. The wind was blowing fiercely and the Ice Bird swept on before it in spite of all he could do.
"Bert! Bert! Oh, why don't you turn around?" screamed Nan. She had to scream in order to make herself heard.
"I—I can't" he faltered. "She won't come around."
Nan was very much frightened, and it must be confessed that Bert was frightened too. He hauled on the sail and on the steering gear, and at last the Ice Bird swung partly around. But instead of returning up the lake the craft headed for the western shore, and in a few minutes they struck some lumpy ice and some snow and dirt, and both were thrown out at
